Heater stand



FIG. 1 is a rear perspective view of the heater stand;

FIG. 2 is an enlarged top view thereof;

FIG. 3 is an enlarged bottom view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines depict portions of the heater stand that form no part of the claim. 

CLAIM The ornamental design for a heater stand, as shown and described. 